MySheen

Control of Violet bacterial Rot

Published: 2024-11-24 Author: mysheen
Last Updated: 2024/11/24, Symptom-nbsp;  shape: the disease occurs at seedling stage and adult plant. When the seedlings fell ill, the main stem of the disease showed water-stained dark green soft rot, and then turned dark brown. The disease occurs in the adult stage, and the disease spot appears in the stem near the ground. The disease spot is irregular or surrounds the stem, dark brown, slightly sunken and cracking, resulting in plant death and pus in the disease.

Symptoms: The disease occurs in seedlings and adult plants. Seedling disease, the main stem of the disease was water-stained dark green soft rot, and later turned dark brown. The disease occurs in adult stage, and the disease spots appear on the stem near the ground. The disease spots are irregular or surround the stem, dark brown, slightly sunken and dehiscent, resulting in plant death and pus in the diseased part.

Pathogen: Xanthomonas campestrts pv. in canae (Kendrick et baker) dye.

Pathogen overwintering in diseased bodies and seeds and spreading with seeds.

Prevention and treatment: ① seed treatment before sowing. Soak seeds in warm water at 54 ° C for 10 minutes, then cool quickly to dry. 2. Soil disinfection. 3. Remove diseased plants immediately when they are found.④ During the onset period, streptomycin can be sprayed to prevent and control.

Originated on the Mediterranean coast. Widely cultivated in southern China, it is one of the famous flowers in Europe. Species are common in large cities in China and can be grown in gardens or greenhouses for viewing. This flower is similar to pansy and is easily confused. Control of bacterial rot of violets

Symptoms: The disease occurs in seedlings and adults. Seedling disease, the main stem of the disease was water-stained dark green soft rot, and later turned dark brown. The disease occurs in adult stage, and the disease spots appear on the stem near the ground. The disease spots are irregular or surround the stem, dark brown, slightly sunken and dehiscent, resulting in plant death and pus in the diseased part. Pathogen: Xanthomonas campestre sp V.in-canae(Kendricket Baker)Dye. Pathogen overwintering in diseased bodies and seeds and spreading with seeds. Control: ① seed treatment before sowing. The seeds are soaked in warm water at 54℃ for 10min and then cooled quickly to dry. 2. Soil disinfection. 3. Remove diseased plants immediately if they are found.④ During the onset period, streptomycin can be sprayed for prevention and control. Control of bacterial rot of violets

Purple is a romantic color, but dark purple gives people a sense of mystery. Violet flower language: eternal beauty and love, simplicity, virtue, summer cool. At the same time, violets are Taurus lucky flowers, violets have garden value and health value.

Symptoms: The disease occurs in seedlings and adults. Seedling disease, infected with the disease on the main stem was water-like dark green soft rot, later turned dark brown. The disease occurs in adult stage, and the disease spots appear on the stem near the ground. The disease spots are irregular or surround the stem, dark brown, slightly sunken and dehiscent, resulting in plant death and pus in the diseased part.

Pathogen: Xanthomonas campestrts pv. in canae (Kendrick et baker) dye.

Pathogen overwintering in diseased bodies and seeds and spreading with seeds.

Prevention:

1. Seed treatment before sowing. Soak seeds in warm water at 54 degrees Celsius for 10 minutes, then cool quickly to dry.

2. Soil disinfection.

3. Remove diseased plants immediately when they are found.

④ During the onset period, streptomycin can be sprayed to prevent and control.

 
0